OpenTechnical

OT-2026-000015897

Publication integrity record

Three cup vacuum gripper, three outlet manifold, common isolation valve, single stage ejector, supply line pressure sensor, pulsed blow-off before set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000015897) never changes.

Identity and time

Publication numberOT-2026-000015897 · never reused
Internal UUID01a0ae6e-0c4d-7ce6-9ae2-cb457b5b8f3d · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:14:02.846253Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000015897
StatusPUBLIC

Content hashes

Canonical text02fdded5e7a2ee4369b4b10addc3e1866017bffe7c1de1d61165c7ef41488c09
Markdownab67991f494aaccd4e0806cc1f93b195d9e799058b2932da0b5bb2864ca63dbb
PDF
Publication page5342de9c5d967010ce02d35375873a5ae9c7591350e9813512e04a4e5be9652b
Manifest6226bbf43466c58841408929b76e50463c25c7a6b32e262d4aa57d1404a28241

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureMoySkw7psePGgWFvMl5UNpKz12ZPejun5XiMsc6Ux1qoasbr91zYD7el8EbwiTfbY+PbWOBlY2YX2+s3hyvHDg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T08:42:32Z
batch OT-TS-2026-W38-020 · RFC 3161 token · inclusion proof
root 7c99e0163c3f1d2dc0f1dec0442e2af7...

Independent retrieval

2026-09-17T12:05:21.341769ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015897
observed 5342de9c5d967010ce02d35375873a5a...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:21.322369ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015897/manifest.json
observed 6226bbf43466c58841408929b76e5046...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:21.302291ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015897/publication.md
observed ab67991f494aaccd4e0806cc1f93b195...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T12:05:21.282684ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000015897/publication.txt
observed 02fdded5e7a2ee4369b4b10addc3e186...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.